move file to linux

src/os/src/detail/osSystem.c

-/*
- * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
- *
- * This program is free software: you can use, redistribute, and/or modify
- * it under the terms of the GNU Affero General Public License, version 3
- * or later ("AGPL"), as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#define _DEFAULT_SOURCE
-#include "os.h"
-#include "tconfig.h"
-#include "tglobal.h"
-#include "tulog.h"
-
-void* taosLoadDll(const char *filename) {
-  void *handle = dlopen (filename, RTLD_LAZY);  
-  if (!handle) {  
-    uError("load dll:%s failed, error:%s", filename, dlerror());  
-    return NULL;  
-  }
-
-  uDebug("dll %s loaded", filename);
-
-  return handle;
-}
-
-void* taosLoadSym(void* handle, char* name) {
-	void* sym = dlsym(handle, name);
-  char* error = NULL;
-  
-	if ((error = dlerror()) != NULL)  {  
-    uWarn("load sym:%s failed, error:%s", name, dlerror());  
-		return NULL;  
-	} 
-
-  uDebug("sym %s loaded", name)
-
-  return sym;
-}
-
-void taosCloseDll(void *handle) {
-  if (handle) {
-    dlclose(handle);
-  }
-}
-
-